Chen, Huayong
Xiao, Mimi
Funding for this research was provided by:
Humanities and Social Sciences Research Project of Chongqing Municipal Education Commission (No. 22SKGH068)
Open Project of Chongqing Maternal and Child Disease Prevention and Control and Public Health Research Center in 2023 (No. CQFYZC01001)
Article History
Received: 28 November 2023
Accepted: 7 April 2024
First Online: 23 April 2024
Declarations
:
: The authors declare no competing interests.
: The data utilized in this study are anonymized secondary data provided by database, posing no harm to individuals, does not involve personal sensitive information or commercial interests. According to the regulations outlined in the ‘Ethical Review Methods for Research Involving Human Life Sciences and Medicine,’ approval from the Ethics Review Committee of Chongqing Medical University and informed consent from participants are not required.
: Not applicable.